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  • ...In the Gibbs free energy equation, the entropy term is negative. Enthalpy drives polymerizations. At low temperatures, the enthalpy term is greater than the ...on is due to [[Frederick Dainton]] and K. J. Ivin, who proposed that the [[chain propagation]] step of the polymerization is reversible.<ref>{{Cite journal| ...
    6 KB (890 words) - 13:52, 27 November 2022
  • ...line elastomers) or are attached via an [[alkyl group|alkyl spacer]] (side-chain liquid crystalline elastomers).<ref>{{Cite journal|last1=Ohm|first1=Christi ...|last4=Zhao |first4=Mingyang |date=May 1997 |title=Liquid-crystalline main-chain elastomers |url=http://dx.doi.org/10.1002/marc.1997.030180501 |journal=Macr ...
    13 KB (1,812 words) - 14:25, 27 September 2024
  • ...3, and Ser469 position the L-ornithine [[alpha carbon]] such that its side chain amino group can be hydroxylated by the C4a-(hydro)peroxyflavin.<ref name="F ...op.<ref name="Campbell_2020" /> Either flavin reduction or NAD(P)H binding drives the active site to the "in" conformation ([https://www.rcsb.org/structure/6 ...
    13 KB (1,653 words) - 17:01, 30 March 2024
  • ...ornell University]].</ref> The rotation of the [[crank (mechanism)|crank]] drives the linear movement of the slider, or the expansion of gases against a slid '''[[Slider crank chain inversion|Slider-crank chain inversion]]''' arises when the [[connecting rod]], or coupler, of a slider ...
    16 KB (2,559 words) - 00:51, 13 February 2025
  • By modeling the data-dependent noise as a finite-order [[Markov chain|Markov process]], the optimum [[Maximum likelihood sequence estimation|MLSE ...essing and [[Computer coding|coding]] techniques were introduced into disk drives to improve the drive error-rate performance for operation at higher areal d ...
    19 KB (2,653 words) - 18:22, 24 July 2023
  • ...tely charged surface where no covalent interaction between the surface and chain occurs. This model for the adsorbed amount of polyelectrolyte at a charged ...repeat units of the polymer. It has been suggested that a polyelectrolyte chain will form an elongated cylindrical globule in order to optimize its energy. ...
    20 KB (2,871 words) - 16:06, 31 January 2025
  • ...uggestion he had from [[Beauchamp Tower]] to use a device of pulleys and a chain once used by [[Charles Wheatstone|Wheatstone]]; Thomson also credited Rober ...h of the chain. The movements in position of the free (movable) end of the chain represented the sum of the movements of the different shafts. The movable ...
    26 KB (3,912 words) - 19:22, 26 February 2025
  • ...ler difference between the surface and bulk [[coordination number]]s. This drives the surface to reach a lower, more favored, energy state. A low energy surf ...ss of the brush, <math> n </math> is the number of segments in the polymer chain, <math> l </math> is the average length of the grafted polymer chains, and ...
    20 KB (2,832 words) - 00:12, 25 October 2023
  • ...single point of failure]]. Miners work on a side blockchain called a share chain, mining at a lower difficulty at a rate of one share block per 30 seconds. ...e best one found to the network, with minimal energy used to read the hard drives. Due to the low hardware specification requirements of the PoC mining proce ...
    14 KB (2,244 words) - 07:18, 7 January 2025
  • ...tion is normally generated by ball screws. During this movement, the servo drives must constantly reverse in order to reverse the direction of the needle mov Because of the higher performance density, brushless EC drives (electronically commutated motors) with permanent magnet rotors are increas ...
    64 KB (10,341 words) - 22:53, 21 October 2024
  • ...Molecular Diagnostics: Reading Disk-Based Bioassays with Standard Computer Drives| journal = Anal. Chem. | pages = 8216–8223 | year = 2008 | doi = 10.1021/a ...surface modifications are not permanent on PDMS due to its relatively high chain mobility compared with polymers, PDMS still remains relevant as a material ...
    31 KB (4,361 words) - 06:33, 27 February 2025
  • ...molecules generates a fluid flow across the surface of the motor and this drives the particle forward. The catalytic difference between each pole of the Jan ...agnesium inner core would experience corrosion and reduce water to begin a chain of reactions that results in hydrogen gas as a fuel source. The reduction r ...
    20 KB (2,721 words) - 16:41, 16 November 2024
  • [[File:Mechanical filter with disk flexual resonators.svg|thumb|300px|alt=A chain of four disc resonators coupled together with metal rods at the edges at th ...Mechanical filter with longitudinal resonators.svg|thumb|right|300px|alt=A chain of six thin cylindrical resonators with piezoelectric transducers at either ...
    57 KB (8,456 words) - 05:48, 18 March 2024
  • Barak Orbach, an academic economist, argues that competition typically drives shrinkflation: "When supply shocks or other factors inflate production cost ...paying-more-for-less/ |url-status=dead}}</ref> In 2023 the French grocery chain [[Carrefour]] has started to warn their customers about these practises.<re ...
    30 KB (4,201 words) - 05:59, 11 February 2025
  • ...ated OH<sub>2</sub> ligand from ~7-8 down to 6.8  as T<sub>d</sub> , which drives the deprotonation of water to a hydroxide ion and the free proton is neutra ...plankton than cadmium. The active site of CDCA is essentially "gated" by a chain of nine [[amino acid]]s with [[glycine]] residues at positions 1 and 9. Nor ...
    38 KB (5,443 words) - 16:28, 19 January 2025
  • ...er), and bought the [[Unipower GT]] production line from [[Universal Power Drives]]. Bohanna and Stables' subsequent work for UWF was to design a car to repl ...gear-set from [[Hewland]]. The engine drove the transmission via a triplex chain supplied by Renold.<ref name="ac3000me-specs"/> The driver selected gears w ...
    32 KB (4,781 words) - 01:38, 15 January 2025
  • ...culture and manufacturing to lift materials. There are various types, like chain and [[bucket elevator]]s, [[grain auger]]s, and hay [[elevators]]. Modern b Some people argue that elevators began as simple [[rope]] or [[link chain|chain]] [[hoist (device)|hoists]] (see ''Traction elevators'' below). An elevator ...
    145 KB (21,298 words) - 21:19, 22 February 2025
  • ...imir Arnold]]), and [[Andrey Markov]] who developed the theory of [[Markov chain]]s, playing a central role in information sciences and modern applied mathe ...d 30% of worldwide weapons sales<ref name="abc.net.au">{{cite web|title=US drives world military spending to record high|publisher=Australian Broadcasting Co ...
    35 KB (4,793 words) - 01:13, 7 November 2024
  • ...to solve other problems, such as efficient primer design for [[Polymerase chain reaction|PCR]], biological-image analysis and back translation of proteins ...of proteins; two hydrogen-bonded helical configurations of the polypeptide chain | journal = Proceedings of the National Academy of Sciences of the United S ...
    70 KB (9,251 words) - 08:48, 6 January 2025
  • ...has led solar reforming (and electroreforming, where renewable electricity drives redox processes) to gradually emerge as an active area of exploration. ...such as [[green hydrogen]] or other platform chemicals have a broad value-chain. It is also now understood that sustainable fuel/chemical producing technol ...
    37 KB (5,060 words) - 01:01, 19 February 2025
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